# TurboWiki is a simple wiki module for TurboGears
#
# Copyright (C) 2009 Alberto Granzotto <agranzot@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import os
import cherrypy
from turbogears.validators import FancyValidator, Invalid, Validator
from model import WikiFile

def _(s): return s # dummy translation function, nothing is translated here.
                   # Instead this is actually done in api.message.
                   # The surrounding _("string") of the strings is only for extracting
                   # the strings automatically
                   # if you run pygettext with this source comment this function out temporarly

class FileType(FancyValidator):
    types = None
    descriptions = None

    messages = {
        'notValidFile': _("upload only %(desc)s files"),
        }

    def validate_python(self, value, state):
        for t in self.types.split(','):
            t = t.strip().lower()
            if value.type.lower() == t: return
        raise Invalid(self.message('notValidFile',
            state, desc=self.descriptions),value, state)

class CheckFileNonexistance(FancyValidator):
    messages = {
        'exists': _("value %(val)s exists")
    }

    def validate_python(self, value, state):
        element = WikiFile.exists(value)
        if element:
            raise Invalid(self.message('exists', state, val=value), value, state)
